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Table 2 Percentage reduction of aphid, Myzus persicae, on capsicum plant treated with indigenous and commercial bioformulations under protected cultivation (2017, 2018)

From: Management of the aphid, Myzus persicae (Sulzer) and the whitefly, Bemisia tabaci (Gennadius), using biorational on capsicum under protected cultivation in India

Treatments

Dose (g or ml/l)

Percent reduction over control *(mean ± SE)

I spray

II spray

III spray

3DAS

7DAS

10DAS

3DAS

7DAS

10DAS

3DAS

7DAS

10DAS

Beauveria bassiana

Bb-B1

8

16.3 ± 3.9a

16.6 ± 4.3b

18.4 ± 5.0b

23.7 ± 6.2c

23.9 ± 4.9c

27.4 ± 2.5e

33.2 ± 1.4e

36.6 ± 3.9e

37.8 ± 4.7e

10

17.7 ± 7.6a

17.7 ± 7.9b

19.4 ± 8.5b

24.6 ± 9.4c

25.2 ± 8.8c

29.2 ± 8.0e

34.9 ± 5.8e

37.8 ± 8.0e

39.0 ± 7.1e

12

18.8 ± 6.2a

18.8 ± 6.3b

20.5 ± 7.4b

26.2 ± 8.4c

26.4 ± 7.5c

30.0 ± 5.2de

35.6 ± 3.1e

38.9 ± 5.9de

40.5 ± 5.8de

Lecanicillium lecanii

MTCC 956

8

21.0 ± 0.5a

22.6 ± 2.1ab

25.9 ± 1.2ab

34.0 ± 5.1abc

36.5 ± 7.6bc

42.5 ± 6.3abcd

52.8 ± 5.8abcd

58.4 ± 5.4abcd

59.7 ± 5.4abcd

10

22.3 ± 2.7a

23.4 ± 4.4ab

26.7 ± 5.1ab

34.4 ± 6.4abc

37.5 ± 6.2abc

43.5 ± 3.1abc

53.6 ± 3.0abcd

59.3 ± 2.5abc

60.6 ± 5.4abc

12

23.1 ± 2.0a

25.5 ± 3.1ab

28.4 ± 2.5ab

36.1 ± 3.0abc

39.2 ± 5.0abc

45.2 ± 4.3abc

56.0 ± 5.0abcd

60.8 ± 4.5abc

61.7 ± 6.6abc

Beauveria bassiana

Commercial formulation

8

19.4 ± 3.2a

20.6 ± 3.5ab

23.3 ± 4.1ab

31.1 ± 3.9bc

32.0 ± 2.4bc

36.2 ± 3.1cde

45.6 ± 3.5cde

51.1 ± 6.1cde

53.4 ± 6.0cde

10

20.5 ± 5.0a

21.8 ± 4.4ab

24.6 ± 5.4ab

32.5 ± 3.2abc

33.6 ± 2.3bc

38.0 ± 6.4cde

47.1 ± 7.0cde

52.7 ± 8.2bcde

55.1 ± 8.9bcde

12

21.3 ± 3.3a

23.0 ± 3.7ab

26.0 ± 5.3ab

33.4 ± 2.5abc

34.5 ± 2.3bc

39.0 ± 5.6bcde

48.0 ± 7.1bcde

53.5 ± 9.5bcde

56.0 ± 9.5bcde

Metarhizium anisopliae

Commercial formulation

8

19.2 ± 3.7a

20.8 ± 3.1ab

24.0 ± 4.0ab

31.5 ± 3.2bc

33.2 ± 3.0bc

37.8 ± 4.3cde

45.5 ± 6.8de

50.4 ± 9.2cde

51.8 ± 10.8cde

10

20.0 ± 3.5a

22.0 ± 3.6ab

25.2 ± 4.1ab

33.0 ± 4.4abc

34.8 ± 2.6bc

39.4 ± 4.4bcde

47.7 ± 5.4bcde

52.7 ± 6.5bcde

54.2 ± 7.1bcde

12

21.5 ± 5.3a

23.3 ± 5.1ab

26.5 ± 6.4ab

34.7 ± 7.0abc

36.7 ± 7.0bc

41.3 ± 5.2bcde

49.7 ± 4.1bcde

55.2 ± 6.3bcde

55.9 ± 5.3bcde

Lecanicillium lecanii

Commercial formulation

8

21.1 ± 5.0a

22.2 ± 4.8ab

25.0 ± 5.3ab

34.6 ± 5.6abc

37.2 ± 4.1bc

41.4 ± 2.5bcde

51.7 ± 1.7bcd

56.9 ± 2.0bcde

57.7 ± 2.3bcde

10

22.1 ± 4.4a

23.2 ± 4.2ab

26.4 ± 4.3ab

36.1 ± 3.2abc

39.1 ± 3.2abc

42.9 ± 2.0abcd

53.6 ± 0.9abcd

58.7 ± 0.7abcd

59.1 ± 1.1abcd

12

22.6 ± 3.2a

24.1 ± 2.6ab

27.0 ± 3.1ab

37.0 ± 3.7abc

40.1 ± 3.1abc

43.9 ± 2.0abc

54.2 ± 1.4abcd

59.0 ± 1.0abcd

59.8 ± 1.4abcd

Azadirachtin 1% (10,000 ppm)

4

26.4 ± 4.1a

29.0 ± 4.0ab

32.7 ± 4.1ab

41.8 ± 5.3abc

46.2 ± 4.2ab

51.2 ± 3.2abc

62.2 ± 5.4abc

67.9 ± 5.7abc

71.2 ± 4.8abc

5

28.0 ± 4.0a

31.5 ± 4.5ab

34.8 ± 4.2ab

43.8 ± 2.9ab

48.2 ± 2.9ab

53.1 ± 3.4ab

64.0 ± 5.3ab

70.1 ± 4.6ab

74.7 ± 3.7ab

Chemical check (malathion 50 EC)

4

30.4 ± 3.8a

35.6 ± 5.1a

39.8 ± 5.5a

50.2 ± 5.1a

54.5 ± 1.4a

58.2 ± 3.6a

69.2 ± 4.7a

75.4 ± 3.3a

82.0 ± 4.9a

F values

 

0.7

1.1

1.1

1.6

2.5

3.2

4.1

3.3

3.5

P

 

0.8

0.4

0.4

0.1

0.01

0.01

0.01

0.01

0.01

  1. Mean mortality (%) ± standard error of M. persicae recorded at different time intervals (DAS, days after spray) for bioassays performed with different commercial and indigenous strains
  2. Treatment columns bearing different letters are significantly different from other treatments according to Duncan test (P = 0.05)
  3. *Calculated as per Henderson and Tilton (1955) formula